Skip to main content

Full text of "Review of the Phyllium Illiger, 1798 of Wallacea, with description of a new subspecies from Morotai Island (Phasmatodea: Phylliidae: Phylliinae)"

See other formats


aunitaxys 


Revue de Faunistique, Taxonomie et Systématique 


morphologique et moléculaire 


Volume 7 ISSN: 2269 - 6016 


Numéro 4 Mars 2019 Dépét légal: Mars 2019 


Faunitaxys 


Revue de Faunistique, Taxonomie et Systématique 


morphologique et moléculaire 


ZooBank : http://zoobank.org/79A36B2E-F645-4F9A-AE2B-ED32CE6771CC 


Directeur de la publication, rédacteur, conception graphique et PAO: 


Lionel Delaunay 


Cette revue ne peut pas étre vendue 
Elle est distribuée par échange aux institutions (version papier) 
et sur simple demande aux particuliers (format PDF) 
a l’adresse suivante: 


AFCFF 
28, rue Voltaire, F- 42100 Saint Etienne 
E-mail: lionel.delaunay@free.fr 


Elle est disponible librement au téléchargement a partir du site: 


http://faunitaxys .fr/ 


La parution de Faunitaxys est apériodique 


Impression 
SARL SPEED COPIE, 6, rue Tréfilerie, F- 42100 Saint-Etienne 


speedcopie@wanadoo.fr 


Imprimé le 20 mars 2019 


Faunitaxys, 7(4), 2019: 1-25. 


Review of the Phyllium Mliger, 1798 of Wallacea, with description of a 
new subspecies from Morotai Island (Phasmatodea: Phylliidae: Phylliinae) 


ROYCE T. CUMMING (1), STEPHANE LE TIRANT (2) & FRANK H. HENNEMANN (3) 


(1) Entomology Department, San Diego Natural History Museum, POB 121390, Balboa Park, San Diego, California, United States, 
92112-1390. Associate researcher for the Montréal Insectarium, Québec, Canada; H1X 2B2 - phylliidae.walkingleaf@gmail.com 


- ZooBank : http://zoobank.org/6CA8501F-10BA-4E07-9BF4-65CFCE4E9E92 


(2) Collection manager, Montréal Insectarium, 4581 rue Sherbrooke, Montréal, Québec, Canada, H1X 2B2 - sletirant@ville.montreal.qc.ca 
- ZooBank : http://zoobank.org/A9391F8A-15D7-4D3B-9E3F-7123BA27EA2E 


(3) Reiboldstrasse 11, 67251 Freinsheim, Germany- hennemann@phasmatodea.com 


- ZooBank : http://zoobank.org/65 1 FCCFA-271B-48A3-A58E-A30FDC739493 


Abstract. — The Phylliidae of Wallacea are here reviewed, with notes on species 


distributions. Phyllium (Phyllium) tobeloense GroBer, 2007 is also here recorded as 
having a new subspecies from Morotai Island, Phyllium (Phyllium) tobeloense 


bhaskarai Cumming, Le Tirant, and Hennemann ssp. nov. based largely upon the 
distinct egg morphology. To conclude a key to all known Phyllium from Wallacea is 
presented with most features illustrated for ease in identification. 


Cumming R. T., Le Tirant S. & Hennemann F. H., 2019. — Review of the Phyllium Illiger, 1798 
of Wallacea, with description of a new subspecies from Morotai Island (Phasmatodea: Phylliidae: 


ZooBank : http://zoobank.org/CEC3E930-3ESD-4B2A-AE4D-51A198FD9E9E 


Keywords: 

Phasmatodea ; Morotai ; 

Phasmida ; tobeloense ; 

Phylliidae ; bhaskarai ; 

Phylliini ; description ; 

Phyllium ; new subspecies ; 

Wallacea ; distribution ; Phylliinae). Faunitaxys, 7(4) : 1-25. 
Indonesia ; biogeography. 

Introduction 


Members of the genus Phyllium Illiger, 1798 are well known as 
“Leaf Insects” or “Walking Leaves” and their still poorly 
understood systematics, phylogeny, and distributions have been 
studied more comprehensively during the past ten years. It has 
been shown that the actual biodiversity of these fascinating 
insects is far larger than previously suggested and several 
papers by the authors and various colleagues have described 30 
new species of Phyllium from throughout Southeast Asia since 
2009 (Brock et al., 2018). The Phylliidae of Wallacea are 
particularly interesting but have not yet been studied in any 
detail, with only some of the species described before 2009 
covered by Hennemann et al. (2009). In addition, two new 
species from Wallacea have recently been described from the 
islands of Peleng (Cumming & Teemsma, 2018) and Lombok 
(Cumming, Valero & Teemsma, 2018). Examination of 
extensive fresh material that has recently become available 
from various islands of Wallacea has revealed interesting facts 
concerning the synonymies and distributions of the species 
concerned and are summarized in the present paper. This 
includes a new subspecies from the Island of Morotai north of 
Halmahera, Maluku Islands, which is described herein. Still 
however, many questions concerning the true distributional 
ranges of some species throughout the very complex Wallacea 
subregion remain unanswered and the authors are aware of 
further still undescribed species, that will hopefully sometime 
become available for scientific recognition in order to clarify 
the biogeographic and phylogenetic facts and help to complete 
our knowledge of Wallacean Phylliidae. 


Biogeography 


Wallacea is a group of several thousand islands of various 
sizes, which cover a total land area of roughly 338,500 km? 
located between Sundaland in the west, the Philippines in the 
north as well as New Guinea and Australia in the east and 
southeast. Recent studies suggest that also the Philippines need 
to be considered as part of the Wallacea (e.g. Vallejo, 2011), but 
for covering the Phylliidae of this particular region Wallacea is 
here treated in its traditional definition that excludes the 
Philippines. All islands are located almost entirely within the 
borders of Indonesia and include the island of Sulawesi, the 
Maluku Islands (also called Moluccas), the Kai Islands, Banda 
Islands and the Lesser Sunda Islands (except Bali). The largest 
of these islands is Sulawesi. The Lesser Sunda Islands 
attributed to the Wallacea are located south of Sulawesi and 
include Lombok, Sumba, Sumbawa, Flores and Timor, as well 
as several hundred smaller intervening islands. The Maluku 
Islands include several hundred islands in the northern portion 
of Wallacea, the largest being Halmahera in the north and 
Seram in the south. The most northern islands of the Maluku 
Islands are the Sangihe Islands and Talaud Islands, the most 
southeastern ones are the Kai Islands and Banda Islands, 
situated west of New Guinea. 

Principally, Wallacea is a transition zone between the Oriental 
region and the Australian region with the fauna showing 
influences from both these regions (Dickerson, 1928). The 
western border of Wallacea is represented by Wallace’s line 
(named by Huxley in 1868), which runs between Borneo and 
Sulawesi in the north and Lombok and Bali in the south (Fig. 
1). The eastern border of Wallacea has been disputed by 


2 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


geologists and biogeographists and attempts to draw a definite 
line have produced a number of different lines (Simpson, 
1977). The most accepted of these lines is Lyddeker’s line 
which follows the Sahul shelf, that runs between Seram and the 
Banda Islands in the west and New Guinea in the east (Fig. 1). 
Another well-known and much discussed line is Weber’s line, 
which roughly runs between Sulawesi and the Maluku Islands 
(Gressitt, 1982). Mayr (1944) regarded Weber’s line as a line of 
faunal balance, east of which the Papuan faunistic elements 
have a numerical superiority over Oriental elements. 

Wallacea is regarded as a biodiversity hotspot although the 
subregion contains fewer known species overall compared to 
e.g. Sundaland, the Philippines, or the Australian region. 
However, Wallacea contains a very high percentage of endemic 
species, i.e. species that are only found in Wallacea or on single 
islands within this subregion, which is explained by several 
factors. First of all, the subregion contains a large number of 
different islands and geographic isolation is one of the major 
factors which leads to diversification and formation of endemic 
species. Wallace’s line marks the position of deep ocean straits 
and separates shallow waters in the west from deep waters in 
the east. The sea-level dropped by an estimated 120 meters 
during the last ice-age and while the shallow waters in the west 
disappeared and formed land connections between the Large 
Sunda Islands (Sumatra and Java), Borneo, and the remaining 
portions of Sundaland, there were no such land bridge 
connections towards Wallacea. 


Materials and Methods 


Photos of specimens were taken by René Limoges of the 
Montreal Insectarium (IMQC) using a Nikon D810 DSLR 
camera with Nikon Micro-Nikkor 200mm f/4 lens on 
Manfrotto 454 micrometric positioning sliding plate. Lighting 
was provided by two Nikon SB-25 flash units with a Cameron 
Digital diffusion photo box. Adobe Photoshop Elements 13 was 
used as post processing software. Measurements of specimens 
were made to the nearest 0.1 mm using digital calipers. The 
Phyllium (Phyllium) tobeloense bhaskarai ssp. nov. holotype 
and allotype specimens are deposited in the Montreal 
Insectarium Quebec, Canada (IMQC) type collection. 
Photographs of specimens within the Frank Hennemann 
personal collection were taken by himself using a Nikon D7000 
camera equipped with a Nikon DX AF-S Micro 40mm lens and 
a wireless Nikon SU-800 dual speed light system. Background 
lightning was provided by a 18W 6000K LED panel light plate. 
The photographs of the female holotype Phyllium 
(Pulchriphyllium) suzukii GroBer, 2008 was taken by Mandy 
Schroter under direction of Stephan Blanke at the Senckenberg 
German Entomological Institute Mtincheberg using a Nikon 
D7200 digital camera and a Nikon Micro Nikkor 105mm f/2.8 
G ED objective. Lightning was from the Yongnuo Digital 
Speedlight YN 560 IV reflected by the inner surface of a 
styrofoam box set up around the specimen. A grey card was 
used for white balance. Composite images with an extended 
depth of field were created using the software StackShot Macro 
Rail Package (Cognisys Inc., U.S.A.) and Zerene Stacker 
(release November 7, 2017; Zerene Systems LLC, U.S.A.). 


Abbreviations 


— AMSA: Australian Museum, Sydney, NSW / Australia. 
—BPBM: Bernice P. Bishop Museum, Honolulu, Hawaii, U.S.A. 


— BYU: Monte L. Bean Life Science Museum, Brigham Young 
University, Provo, Utah / U.S.A. 


—CASC: Califomia Academy of Sciences, San Francisco, California / U.S.A. 


—IMQC: Insectarium de Montréal, Montréal, Québec / Canada. 

—IRSN: Institut Royal des Sciences Naturelles, Brussels / Belgium. 

—LEMQ: Lyman Entomological Museum, McGill University, Québec, Canada. 
—MNHN: Museum National d'Histoire Naturelle, Paris / France. 

— MNHU: Museum fiir Naturkunde der Humboldt-Universitét, Berlin / 
Germany. 

—MZSF: Museum Zoologique, Université de Strasbourg, Strasbourg/ France. 
—NHMUK: The Natural History Museum, London / United Kingdom. 
—NHMW: Naturhistorisches Museum Wien, Vienna / Austria. 

—NMR: Natuurhistorisch Museum, Rotterdam / Netherlands. 

—RMNE: Nationaal Natuurhistorisch Museum Naturalis, Leiden / Netherlands. 
— SDEI: Senckenberg Deutsches Entomologisches Institut, Miincheberg / 
Germany. 

—SDNHM: San Diego Natural History Museum, San Diego, California / U.S.A. 
—SMEM: Forschungsinstitut und Naturmuseum Senckenberg, Frankfurt a. M. / 
Germany. 

—SMNS: Staatliches Museum ftir Naturkunde, Stuttgart / Germany. 

—UCRC: University of California, Dept. of Entomology, Riverside, California / 
USA. 

— UUZM: Uppsala University Zoological Museum, Linnean collection, 
Uppsala / Sweden. 


—ZSMC: Zoologische Staatssammlung, Munich / Germany. 
— AB: Private collection of Alexander Banko / Canada. 

— EB: Private collection of Edy Bhaskara / Indonesia. 

— FH: Private collection of Frank H. Hennemann / Germany. 
—MO: Private collection of Maxime Ortiz / France. 

— OC: Private collection of Oskar V. Conle / Germany. 
—RTC: Private collection of Royce T. Cumming / U.S.A. 

— SLT: Private collection of Stéphane Le Tirant / Canada. 
—ST: Private collection of Sierra Teemsma / U.S.A. 

—TM: Private collection of Tetsuo Miyashita / Japan. 


Note on Locality Spelling Changes 


With a number of historic data labels listed within, it is 
important to note the various spellings of localities which have 
changed throughout the years. Although not all those listed 
below are used within this work, we have noted additional 
spellings from throughout Wallacea to assist others who may be 
reviewing historic Wallacean specimens. 

Present Common Name = Known Historic Names 

—Ambon Island = Ambonia / Amboina 

—Bacan Island = Bachans / Bachians / Batchians 

—Banggai Islands = Bangai / Bankei / Bangkei 

—Buru Island = Bouru / Boro / Boeroe 

—Buton Island = Button / Boeton / Butung 

—Halmahera = Jilolo / Gilolo / Jailolo 

~Kai / Kei Islands (both commonly used at present) = Key Islands 

— Maluku Province = Moluccas / Muluku Province 

—Sanana Island = Sula Besi / Xulla Besi 

—Seram Island = Ceram / Seran / Serang 

— Sulawesi = Celebes 

—Taliabu Island Regency = Taliaboe 


Treatment of Species 


Subgenus Phyllium (Pulchriphyllium) Griffini, 1898 


Type species: Phyllium pulchrifolium Audinet-Serville, 1838, 292, by 
original designation. 


Remarks. — Only two species currently in this subgenus and 
attributed to the frondosum species group defined by 


Faunitaxys, 7(4), 2019: 1-25. 


-Wallace Line 
“ 


_ Weber Line 


; Lydekker Line 


BORNEO 


NEW 
GUINEA 


Fig. 1. Area defined as Wallacea (in green), bordered to the northwest by Wallace’s line and to the southeast by Lydekker’s line. 


Morotai 


Tobelo. Galela 
{rondano Mtlbu 


QPalolo 


Sanana 


Cungadial 
5 P tly 


Mamasa 


eran 
@imbon 


P re y 
BP. kovicum SP. sp. “Suton” BP. letirand BP. mamasnense >, tobaloanse bhaskare 
Ys Krayicunn “ay SP ¥ eiranti ¥ in ¥ tobdlosnse bhaskaral 


4 


Fig. 2. Distribution map of the Phyllium species currently known within the boundaries of Wallacea. (Google Earth: Image 
Landsat/ Copernicus: Data SIO, NOAA, U.S. Navy, NGA, GEBCO: Accessed December 13th, 2018. 


4 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


Hennemann et al. (2009) are known from Wallacea at present. 
One is only known from a unique specimen collected on the 
island of Bacan west of Halmahera in the northern Maluku 
Islands and the other species is not uncommon on the Kai 
Islands in the very southeastern portion of Wallacea. 
Additionally, both species are the only ones of the frondosum 
species group that are found outside of mainland New Guinea, 
and currently only known from female specimens. 


Phyllium (Pulchriphyllium) suzukii GroBer, 2008 
(Fig. 5, 7,9 & 61) 


Phyllium (Pulchriphyllium) suzukii GréBer, 2008: 137, fig. 171-172. 
Holotype, 2: Phyllium (Pu.) suzukii det. GréBer, Molukken, Ins. Bacan, 
9.2006; Phyllium (Pu.) suzukii GréBer sp. nov. Holotypus, det. D. GréBer 
9.2006; DEI Hemimetabola #100121 [SDEI]. 


Distribution. 


— INDONESIA: North Maluku Province, South Halmahera 
Regency, Bacan Island [SDEI]. 


Discussion. — Phyllium suzukii is one of only two species from 
the frondosum species group found outside of mainland New 
Guinea (the other being Phyllium keyicum Karney, 1914 
discussed below) and is currently the only known species of 
Phyllium recorded from Bacan Island. This species is currently 
only known from the single holotype female held within the 
SDEI. This species is most characterized by the unique 
mesopraescutum which is 3.7 times wider than long (Fig. 9, the 
most extreme width to length ratio of known Phyllium females) 
as well as an abdomen with prominent, posteriorly directed 
projections on segments VI-VIII giving the abdomen a unique 
overall shape (Fig. 5); the outer margins of segments VII and 
VII posteriorly project beyond the apex of the anal segment. 
With a body length of only 57.6 mm it is the smallest of all 
know representatives of the Phylliidae within the boundaries of 
Wallacea. The egg was illustrated by GréBer (2008: 137, fig. 
171) and is easily recognized by the unusually ovoid overall 
shape and large roughly circular impressions of the capsule. 


Phyllium (Pulchriphyllium) keyicum Karny, 1914 
(Fig. 3, 4, 6 & 8) 


Phyllium keyicum Karny, 1914: 7, fig. 5. Holotype, 9: Kei Islands, 
Toeal Island [depository unknown]. 

= Phyllium insulanicum Werner, 1922: 126. Holotype, 2: Toeal, Kei- 
eilanden, J.H. Jurriaanse 1920 [RMNH]. (Synonymised by 
Hennemann et al., 2009: 65) 


= Phyllium indicum Ginther, 1929: 614 (Misspelling of insulanicum). 


Distribution. 


— INDONESIA: Maluku Province, Southeast Maluku Regency, 
Kai Islands [NHMUK, NHMW, NMR, RMNH, SMNS, FH]. 


Discussion. — A detailed description of the females of this 
species and the synonymous Ph. insulanicum was presented by 
Willemse (1947). Since the holotype female of Ph. keyicum is 
not traced and presumed lost (Otte & Brock, 2005: 274), it may 
become necessary to designate a neotype. The egg was 
illustrated by Gr6Ber (2008: 123, fig. 146). 

Despite the Kai islands being rather remote, there have been a 
number of female specimens collected over the years. 
Unfortunately despite the female being not uncommon, the 
male Ph. keyicum is still unknown. This species is most notable 
for its profemoral exterior lobe with a posterior margin that is 
straight or very nearly so (Fig. 6, black line), this is the only 


species within the frondosum species group with this feature. 
Ph. keyicum also has the unique morphology of a single 
posteromedial tubercle on the head capsule versus other 
members of the frondosum species group which have the 
tubercle split into two. Their most variable morphological 
feature is the terminal abdominal segments which can range 
from nearly straight across (Fig. 4) to more pronounced lobes 
(Fig. 3) and the full range between these two extremes. This 
intraspecific variability led to the description of Phyllium 
insulanicum Werner, 1922, based on the more strongly lobed 
females. Willemse (1947) extensively described and compared 
a series of specimens from the Kai Islands and from his 
thorough review it appears as though the variation in the 
abdominal lobes is the only notable feature between the two 
taxa. It was not until Hennemann et al. (2009: 65) correctly 
synominized the Ph. insulanicum with Ph. keyicum, leaving 
there only a single species of Phyllium known from the Kai 
Islands. Variation in abdominal shape is now well known as a 
common occurrence in many species of Phyllium and not a 
feature that should singularly be relied upon for differentiation. 
With a body length of 70-79 mm females of this species are 
considerably larger than the related Ph. suzukii from Bacan 
Island. 


Subgenus Phyllium (Phyllium) Iliger, 1798 


Type species: Gryllis (Mantis) siccifolius Linnaeus, 1758: 425, by 
monotypy. 


Remarks. — The seven species known to occur throughout 
Wallacea belong to two species groups defined by Hennemann 
et al. (2009). While only the Sulwesian Ph. celebicum de Haan, 
1842 belongs to the celebicum species group all other known 
species fall within the siccifolium species group. 


Phyllium (Phyllium) celebicum de Haan, 1842 
(Fig. 10-16, 81 & 82) 


Phasma (Phyllium) celebicum de Haan, 1842: 111. Holotype, 9: 
Celebes, Tondano [RMNH - not traced]. 


Distribution. 

— INDONESIA: North Sulawesi Province, Minahasa Regency, 
Tondano [RMNH - type locality]. 

— Central Sulawesi Province, Sigi Regency, Palolo [RC]. 

— South Sulawesi Province, North Luwu Regency, Bungadidi 
[FH, OC, SLT]. 

— South Sulawesi Province, North Luwu Regency, Tiulapolu [FH, RC]. 
— Southeast Sulawesi Province, Buton Regency, Buton Island [OC]. 


Discussion. — The female holotype was first reported lost in 
Hennemann et al. (2009: 15) after their extensive search within 
the RMNH collection in April 2006. Examination of the 
presumed holotype in the same collection (Bragg, 1996: 110) 
has revealed a female clearly not celebicum as originally 
described by de Haan (1842: 111) or illustrated by Willemse 
(1947: 319, fig. 3). The concerned specimen has features much 
more agreeing with Ph. tobeloense based on the thorax and 
profemoral lobes and does not represent the lost Ph. celebicum 
holotype. 

True Ph. celebicum is discussed in depth in Hennemann et al. 
(2009: 11) where the authors provided illustrations, a detailed 
redescription of the female, descriptions of the previously 
unknown males and eggs, summarized the intraspecific 
variability, and discussed the numerous misidentifications over 


Faunitaxys, 7(4), 2019: 1 — 25. 


10 mm 


10mm 


Fig. 3-9. Females, frondosum species group, dorsal view. - 3: Phyllium keyicum [FH 0083-1]. - 4: Phyllium keyicum [NHMUK 012496951 (Kei Is., 
1923)]. - 5: Phyllium suzukii GréBer, 2008 holotype [SDEI]. - 6: Left profemor Phyllium keyicum; line illustrating the straight profemoral exterior 
lobe proximal edge, a unique feature to this species [NHMUK 012496951 (Kei Is., 1923)]. - 7: Phyllium suzukii holotype; line illustrating the curved 
profemoral exterior lobe proximal edge, and the arrow pointing out the protibial exterior spur, both features clearly contrasting Ph. suzukii from 
Ph. keyicum [SDEI]. - 8: Mesopraescutum and mesopleurae Phyllium keyicum [NHMUK 012496951 (Kei Is., 1923)]. - 9: Mesopraescutum and 


mesopleurae Phyllium suzukii holotype [SDEI]. 


the years. Phyllium celebicum is currently the only known 
member of the celebicum species group from Wallacea. This 
species group is characterized by males with profemoral lobes 
which are broader than the interior lobes (Fig. 16), and females 
which have developed alae (length 26.0-32.0 mm, fig. 11), both 
features which easily separate them from any other Phyllium of 
Wallacea. 

Phyllium celebicum is currently only known from throughout 
Sulawesi and from nearby Buton Island. The single female 
specimen from the island of Ambon in the MNHU listed in 
Hennemann, ef al., (2009: 11) has been reexamined and found 
to not represent Ph. celebicum. Although very similar, this 
female specimen has several features which differentiate it 
from Ph. celebicum such as: a subgenital plate that is long and 
slender almost reaching the apex of the abdomen (in PA. 


celebicum the subgenital plate it short and stout, only just 
reaching to terminal segment X); mesopleurae which reach 
nearly to the anterior of the mesopraescutum (in Ph. celebicum 
the mesopleurae are distinctly shorter reaching only half way 
through the mesopraescutum); and alae which are notably 
longer than any examined Ph. celebicum females (49.0 mm in 
the MNHU specimen versus 26.0-32.0 mm in Ph. celebicum, 
see Hennemann, ef al., 2009: 16). The vague historic collection 
data of “Amboina” unfortunately cannot be trusted as truly 
coming from the island of Ambon and must be taken with little 
confidence. Realistically this celebicum species group member 
likely represents one of the many poorly described species from 
mainland Asia. 

Body lengths: 9 9 75.5-92.0 mm, 34 62.0-66.0 mm. 


6 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


Fig. 10-16. Phyllium celebicum dorsal. - 10-11: Females; note the well developed alae which help to characterize the celebicum species group 
[FH 0634-5 (left) and 0634-1 (right)]. - 12: Male [FH 0634-4]. - 13-15: Female left profemor showing intraspecies variability [FH 0634-6, 0634-2, 
0634-1]. - 16: Male left profemor; note the exterior lobe with its strong angle and notably larger than the interior lobe, a feature which defines 


the celebicum species group [FH 0634-4]. 


Phyllium (Phyllium) conlei Curmming, Valero, & Teemsma, 2018 
(Fig. 23 & 44) 


Phyllium (Phyllium) conlei Cumming, Valero, & Teemsma, 2018: 3, fig. 
3a-i. Holotype, 4: Indonesien, Lombok, XII.2012 [ZSMC]. 


Distribution. 


— INDONESIA: West Nusa Tenggara Province, Lombok Island 
[ZSMC]. 


Discussion. — Currently only known from the unique holotype 
male deposited in the State Zoological Collection of Munich 
(ZSMC) originally from the collection of Oskar Conle 
(Germany). Cumming, Valero, & Teemsma (2018) discuss the 
lack of knowledge for the Phylliidae of the Lesser Sunda Islands 


and described Ph. conlei as the first unique species to the island 
chain. With the unique male at only 47.5mm in length, Ph. 
conlei is one of the smaller species of Phyllium. Nearby species 
also with males of a similar size range are Phyllium jacobsoni 
Rehn & Rehn, 1934: 42.5-50.4 mm, Java (Hennemann et al., 
2009), Phyllium hausleithneri Brock, 1999: 51.4-57.8 mm, 
West Malaysia and Sumatra (Cumming, Le Tirant, & Teemsma, 
2018), and Phyllium chengiae Seow-Choen, 2017 (53 mm, 
Borneo). From all species of a similar size, Ph. conlei can be 
differentiated by the slender abdomen with a width only about 
30% of the total abdominal length versus the others with broad 
spade shaped abdomens 40-55%. 


Faunitaxys, 7(4), 2019: 1 — 25. 


Fig. 17-22. Females, dorsal. - 17: Phyllium mamasaense holotype [SDEI]. 18-19: Phyllium letiranti green and brown colorforms [SLT coll.]. - 20: 
Phyllium siccifolium holotype [UUZM]. - 21: Phyllium siccifolium from Seram Island [FH 1042-1]. - 22: Phyllium tobeloense tobeloense from 


Halmahera Island, Mount Ibu [FH 0657-7]. 


Phyllium (Phyllium) sp. “Buton” 
(Fig. 24 & 45) 


Distribution. 


— INDONESIA: Southeast Sulawesi Province, Buton Regency, 
Buton Island [FH]. 


Discussion. — Known only from a single male within the 
Hennemann private collection (FH 0673-1) this specimen was 


the most difficult to place, with a near perfect match within the 
intraspecies morphological range of Ph. hausleithneri Brock, 
1999 and Ph. jacobsoni Rehn and Rehn, 1934, both species 
found outside of Wallacea. Finding either species on Buton (far 
from their known distributions outside of Wallacea) would be 
very surprising and would challenge the well-defined 
biogeographic boundary lines of Wallacea. The authors are 
confident in the collection data, but, mistakes by collectors or 
specimen dealers are a possibility and we cannot ignore the fact 
that this could simply be a clerical error. Additionally, the 


8 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


Fig. 23-29. Males, dorsal. - 23: Phyllium conlei holotype [ZSMC]. - 24: Phyllium sp. “Buton” [FH 0673-1]. - 25: Phyllium tobeloense tobeloense from 
Halmahera Island, Mount Ibu [FH 0657-9], note the antennae not reaching the apex of the resting tegmina. - 26: Phyllium tobeloense tobeloense captive 
reared from Halmahera Island, Galela [FH 0657-13]. - 27: Phyllium letiranti from Peleng Island [SLT coll.]. - 28: Phyllium letiranti from Sanana Island, 
Waifara [FH 1008-10] note the antennae exceeding the apex of the resting tegmina. - 29: Phyllium siccifolium from Ambon Island [NHMUK]. 


Faunitaxys, 7(4), 2019: 1 — 25. 


Fig. 30-45. Profemora, dorsal. - 30: Female Phyllium siccifolium holotype [UUZM]. - 31: Female Phyllium siccifolium [FH 1042-1]. - 32: Male Phyllium 
siccifolium [NHMUK]. - 33: Female Phyllium mamasaense holotype [SDEI]. - 34-36: Female Phyllium letiranti showing intraspecies variation in color 
and lobe serration. - 37: Male Phyllium letiranti [SLT coll.]. - 38-41: Females Phyllium tobeloense bhaskarai ssp. nov. paratypes, showing remarkable 
intraspecies variation in color and lobe serration [FH 1077-3, 1077-1, 1077-2. 1077-6]. - 42: Male Phyllium tobeloense bhaskarai ssp. nov. allotype 
[IMQC]. - 43: Male Phyllium tobeloense bhaskarai ssp. nov. paratype [FH 1077-21]. - 44: Male Phyllium conlei holotype [ZSMC]. - 45: Male Phyllium 


sp. “Buton” [FH 0673-1]. 


female and egg from this “Buton” species are not yet known, 
leaving the possibility that clear morphological features 
identifying it as a new taxon might simply only be visible in the 
female or egg morphology. With Ph. tobeloense bhaskarai ssp. 
nov. only easily separated from the nominate subspecies by the 
unique egg morphology, it is very possible that this male could 
represent a new species or subspecies, only recognizable by 
female or egg morphology. Therefore, with a lack of significant 
morphological features to base a new taxon on, we simply refer 
to this species as Phyllium (Phyllium) sp. “Buton” throughout 
this work. Body length 48.5 mm. 


Phyllium (Phyllium) letiranti Cumming & Teemsma, 2018 
(Fig. 18, 19, 27, 28, 34-37, 50, 51, 54, 87, 88, 91 & 96-98) 


Phyllium (Phyllium) letiranti Cumming & Teemsma, 2018: 2, fig. 1A- 
D, 2B-D, F-G, 3A-E, 4A-D, 5A-D, 6A-C. Holotype, 9: Indonesia, 
Peleng Island, Tinagkung Utara, near Luksagu Village: December, 
2016: ~60 m. elv. 1°17’ S 123°25.4' E [IMQC]; Paratypes [IMQC, 
SDNHM, CASC, SDEI, RC, ST, SLT, and FH]. 

Phyllium (Phyllium) siccifolium, Klante, 1976: 65, 76, fig. 10, (in 
part). 

Phyllium (Phyllium) siccifolium, Hennemann et al., 2009: 58 (in part). 


10 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


Fig. 46-50. Females, ventral view of coxae. - 46: Phyllium mamasaense holotype, showing black interior mark on meso- and metacoxae 


[SDEI]. - 47: Phyllium tobeloense tobeloense, showing metacoxae only with a black interior marking, mesocoxae lacking colored mark [FH 0657-3]. 
- 48: Phyllium tobeloense bhaskarai ssp. nov. paratype, showing metacoxae only with a black interior marking, mesocoxae lacking colored mark 
[FH 1077-2]. - 49: Phyllium siccifolium, mesocoxae with black interior marking [NHMUK]. - 50: Phyllium letiranti live female bred by Maxime 
Ortiz (France) showing lack of black coxae markings and the vibrant orange coxae color (© Maxime Ortiz). 


Distribution. 

— INDONESIA: Central Sulawesi Province, Banggai Regency, 
Peleng Island [RC, FH, ST, SLT, CASC, IMQC, SDNHM]; 
Banggai Islands [MNHU]. 

— INDONESIA: North Maluku Province, Sula Islands Regency, 
Sanana Island [FH - distribution expansion]. 


Discussion. — Only recently collected (2016) and described 
(2018), this species has become widely available for sale as 
dried specimens and has entered the phasmid breeding 
community. In captivity it has been described as a relatively 
easy species to raise with a trend to produce a wide variety of 
female colorforms (Fig. 96-98). Originally described from 
Peleng Island, the authors have received photos of Phyllium 
from the nearby coast of Sulawesi (Central Sulawesi Province, 
East Peninsula) which appear very similar in morphology to 
Ph. letiranti, but without high resolution photos or specimens 
to review, a confident identification is not possible at this time. 
It would not be surprising to find Ph. letiranti on the Sulawesi 
coast near Peleng Island but with the similar species Ph. 


mamasaense also found on Sulawesi, from photos alone an 
identification cannot be confirmed. Hopefully future collecting 
on Sulawesi can bring to light the distribution of Ph. letiranti 
with more clarity. 

A range expansion can however be made for Sanana Island 
(Sula Islands) as represented by a male specimen from the 
Hennemann private collection (Fig. 28, FH 1008-10). With the 
island of Sanana known to have PA. letiranti, the female from 
“Taliaboe” (Taliabu) in the RMNH illustrated in Klante (1976) 
and the female from the MNHU from “Bangkei” (Banggai) 
discussed in Hennemann, et al., (2009) likely also represents 
Ph. letiranti. Examination of the specimen within the MNHU 
does reveal a female which matches well with slender PA. 
letiranti females from Peleng Island. 

The two easiest diagnostic features to differentiate female Ph. 
letiranti from Ph. siccifolium are the ventral color of the coxae 
(Ph. siccifolium having distinct black markings and Ph. 
letiranti without) and the number of antennal segments (nine in 
Ph. siccifolium and ten in Ph. letiranti). Unfortunately, in 
Klante (1976) neither feature was illustrated clearly and 


Faunitaxys, 7(4), 2019: 1 — 25. 11 


therefore a thorough examination of the specimen in question 
must eventually be done to confirm this identification. 

With the Sula Islands situated just to the east of the Banggai 
Islands, this distribution expansion is not surprising and opens 
the possibility that this species can also be found on the other 
Banggai or other Sula Islands. 

Body lengths: 9 9 86.6-91.2 mm, 33 57.6-62.2 mm. 


Phyllium (Phyllium) mamasaense GroBer, 2008 
(Fig. 17, 33, 46, 68, 89 & 90) 


Phyllium (Phyllium) mamasaense Groer, 2008: 124, fig. 147-148. 
Holotype, 2: Phyllium (Ph.). mamasaense det. GrofBer, Sulawesi, 
Mamasa, 9.2006; Phyllium (Ph.) mamasaense GrdBer sp. nov. 
Holotypus, det. D. Gréer 9.2006; DEI Hemimetabola #100116 
[SDE]]. 


Distribution. 


— INDONESIA: West Sulawesi Province, Mamasa Regency, 
Mamasa District [SDEI]. 


Discussion. — Only known from very few female specimens 
collected over the last ten years from the type locality of 
Mamasa, Sulawesi (Fig. 2). This species has the unique 
characteristic of having meso- and metacoxae with black 
interior markings on the ventral surface (Fig. 46) a feature 
within Wallacea currently only known from Ph. siccifolium 
(Fig. 49), or only partially seen in Ph. tobeloense (Fig. 47, only 
metacoxae with black marking). Interestingly, all females 
observed (although not a wide sample size) have had a very 
steady morphology with abdominal segments VII and VIII 
consistently roundly angular (Fig. 68) and the profemoral 
interior lobe with two large prominent teeth (as well as several 
small minor teeth) (Fig. 33). These features are variable among 
certain other Phyllium females and we look forward to 
hopefully reviewing more material in the future as well as 
describing the currently unknown male once it is identified. 
The large eggs are very distinctive (Fig. 89 & 90) and differ 
from those of all other Wallacean Phylliidae by the feather-like 
fringes of the capsule forming several parallel longitudinal 
ridges and the the very large cup-shaped operculum. 

Body length 93.5-105.0 mm. 


Phyllium (Phyllium) siccifolium (Linnaeus, 1758) 
(Fig. 20, 21, 29, 30-32, 49, 52, 55, 63 & 69) 
Gryllus (Mantis) siccifolium Linné, 1758: 425, No. 3. Holotype, 9: 


Indes, Gustav IV Adolph; Gryllus (Mantis) siccifolius type; Coll. n° 
1818 [UUZM]. 


= Phyllium brevicorne Latreille, 1806: 272. (Synonymised by Gray, 1835: 30). 

= Phasma chlorophylla Stoll, 1813, 69, pl. 23: 89. (Synonymised by 
Redtenbacher, 1906: 176). 

= Phasma citrifolium Lichtenstein, 1796: 78. (Synonymised by Gray, 
1835: 30). 

= Phasma donovani Gray, 1835: 31. (Synonymised by Redtenbacher, 
1906: 176). 

= Phasma foliatus Perry, 1810: plate 24. (Synonymised by Westwood, 
1859: 172). 

= Phasma gorgon Gray, 1835: 31. (Synonymised by Westwood, 1859: 
172). 

= Phyllium stollii Le Peletier de Saint Fargeau & Serville, 1827: 115. 
(Unnecessary replacement name for Phasma chlorophylla Stoll, 1813). 
[Not: Phyllium (Phyllium) tobeloense GréBer, 2007: 15. Erroneous 
synonym of Hennemann et al., 2009: 53]. 


Distribution. 


— INDONESIA: Maluku Province, Ambon [MNHU, NHMUKkK, 
RMNH, UUZM], Seram [NHMUK, FH] and Buru Islands [NHMW]. 


Discussion. — As the type species for the family, this species is 
one of great importance but unfortunately it is also one of the 
many poorly known species because of the lack of available 
material in modern times. The holotype female (Fig. 20) was 
redescribed in Hennemann ef al. (2009: 55) as well as a male 
specimen from the island of Ambon from NHMUK (Fig. 29). 
These authors also discussed the numerous synonyms and 
provided information of the intraspecific variability. The exact 
type-locality of Ph. siccifolium originally stated to be “Habitat 
in Indiis” by Linnaeus (1758: 425) was discussed in detail in 
Hennemann et al. (2009: 57). These authors stated the holotype 
female in the UUZM collection to be most likely from the 
island of Ambon. 

In addition to the island of Ambon, various collections 
examined over the years have revealed numerous females from 
the islands of Seram and Buru which match well with the 
morphology of the holotype. The likely misidentification by 
Klante (1976) discussed above from Taliabu Island is probably 
the morphologically similar Ph. letiranti known from the 
Banggai and Sula Islands, leaving true Ph. siccifolium 
restricted to east of Weber’s Line (Fig. 1) and only known from 
Ambon, Seram, and Buru. Unfortunately, the male of this 
species is little known and the eggs are still unknown for Ph. 
siccifolium. With egg morphology so drastically different 
between PA. letiranti and Ph. tobeloense hopefully future fresh 
material will reveal the eggs of Ph. siccifolium and their 
morphology should shed light on the relationship to the other 
similar species. 

Body lengths: 9 89.0-94.0 mm, 34 67.0-73.0 mm. 


Phyllium tobeloense Phyllium siccifolium 


Ventral coxae color 


Profemoral exterior 
lobe* 


2 (Fig. 38-41) 


Antennae Length 


Metacoxae with distinct black interior marking, 
Q mesocoxae slightly orange or light green, no 
black interior mark (Fig. 47 & 48) 


Thin and smoothly arcing, greatest width only 
1.5 to 2 times the width of the profemora shaft 


Short, not projecting beyond the apex of the 
oes resting tegmina 
(Fig. 25) 


Mesocoxae and metacoxae and with distinct black 
interior marking 
(Fig. 49) 


Broad and slightly angular, greatest width 2.5 to 3 
times the width of the profemora shaft 
(Fig. 30 & 31) 


Long, reaching or projecting beyond the apex of the 
resting tegmina 
(Fig. 29) 


Table 1. Summary of comparison between Phyllium tobeloense and Phyllium siccifolium females and males. 
* Measured at the proximal edge of the profemoral interior lobe. ** When antennae are held at rest back along the body. 


12 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


twos [2 [ws [nme [wen 
[—tenmorane fp esp fam 


Table 2. Measurements of Phyllium (Phyllium) tobeloense bhaskarai ssp. nov., holotype female and allotype male. For 
the paratype material only the smallest and largest in the series were measured to give a range. All measurements made 


to the nearest 0.1mm. 
* Including cerci and head, excluding antennae. 


** Only measured on paratype specimen RC 18-421 which measures 101.2 mm in length. 


Phyllium (Phyllium) tobeloense tobeloense Groer, 2007 
(Fig. 22, 25, 26, 47, 64, 66, 83, 84, 92, 99 & 100) 


Phyllium (Phyllium) tobeloense Gréer, 2007: 15, fig. 1-4. Holotype, 
®: Phyllium (Ph.) tobeloense det. GréBer, Molukken, Halmahera, 
Tobelo, 8.1998 [SDE]T]. 


Distribution. 

— INDONESIA: North Maluku Province, North Halmahera 
Regency, Tobelo [SDEI, FH, OC - type locality], Mount Ibu [FH, 
RC, SLT] and Galela [FH]. 


Discussion. — Originally collected in Tobelo, Halmahera, this 
species has been widely bred by enthusiasts and like PA. 
letiranti has yielded a number of beautiful female colorforms 
(Fig. 99 & 100). This species was briefly disputed in 
Hennemann et al. (2009) where it was presented as a junior 
synonym for Ph. siccifolium until GréBer (2011) where it was 
reestablished. Here we agree with the reestablishment of Ph. 
tobeloense as a valid species and discuss the morphological 
reasoning for our decision. 

Although very similar in morphology, when a review of a 
significant series is examined these two species can be 
separated by the following characteristics. The first feature for 
differentiating females is the ventral color of the coxae, with 
Ph. tobeloense having a black marking only on the metacoxae, 
not on the mesocoxae (Fig. 47 & 48) versus Ph. siccifolium 
with both meso- and metacoxae with black markings. Also for 
females, the width of the profemoral exterior lobe is 
consistently different with Ph. tobeloense having a more 
slender lobe, no more than two times the width of the 
profemoral shaft (Fig. 38-41), as compared to Ph. siccifolium 


which always has a profemoral exterior lobe that is notably 
wider (2.5 to 3 times) than the width of the profemoral shaft 
(Fig. 30 & 31). For males, the antennae immediately separate 
the two species, with Ph. tobeloense with shorter antennae, not 
longer than tegmina length when at rest (Fig. 25), versus Ph. 
siccifolium males which have longer antennae which reach to 
or past the apex of the folder tegmina. These distinguishing 
features are presented in summary in table 1. These features 
have proven to be consistent across all specimens examined of 
both populations, including extreme variations within each 
population. 

Body lengths: 29 89.0-101.0 mm, 33’ 59.0-62.0 mm. 


Phyllium (Phyllium) tobeloense bhaskarai Cumming, Le 
Tirant, and Hennemann, ssp. nov. 


(Fig. 38-41, 48, 53, 56-58, 65, 67, 70-77, 79, 80, 85, 86, 101-103) 


ZooBank : http://zoobank.org/4ED84870-BA6D-4546- 
B518-278B66EEAF4D 


Holotype: 9: INDONESIA, Morotai island, North Maluku, Pulau 
Morotai Regency, Daeo village, XI-XII.2018 [IMQC]. 


Allotype: 3: INDONESIA, Morotai island, North Maluku, Pulau 
Morotai Regency, Daeo village, XI-XII.2018 [IMQC]. 

Paratypes: [103 33, 90 2°, 46 eggs], INDONESIA, Morotai island, 
North Maluku, Pulau Morotai Regency, Daeo Majiko village, XI-XII. 
2018. 


Depositions. 

-14,2 99, 1 egg [AMSA] 
-1¢,1 9 [BPBM] 
-13,2 29, 1 egg [BYU] 


Faunitaxys, 7(4), 2019: 1 — 25. 13 


-2 88,2 22, 1 egg [CASC] 
~5 34, 18 29, 10 eggs [IMQC] 
~163,3 29 [IRSN] 

~138,19 [LEMQ] 

~2 33,2 29, 2 eggs [MNHN] 
~13,3 29 [MNHU] 

~163,1 9 [MZSF] 
~2 33,2 29, 2 eggs [NHMUK] 

~2 34,3 299° [NHMW] 

~163,3 29 [RMNH] 

-2 8,2 29 [SDE] 

~2 83,2 29, 1 egg [SDNHM] 

-13,3 99 [SMFM] 

-13,2 99, 1 egg [UCRC] 

-~2 83,3 29, 1 (penultimate instar) [ZSMC] 

~13,1 9 [coll. AB] 

-1 8,2 2 [coll. EB] 

—15 33, 20 29, 12 eggs [coll. FH, No’s 1077-1 to 35, E] 

-~1 4,1 [coll. MO] 

~5 34,5 29 [coll. OC] 

~6 64,7 29, 5 eggs [coll. RTC 18-421, 18-422, & 19-087 to 19-102] 
~20 33, 20 99, 5 eggs [coll. SLT] 

~1 4,1 9, 1 egg [coll. ST] 

~1,1 9 [coll. TM]. 


Distribution. 


— INDONESIA: North Maluku Province, Morotai Island 
Regency. 


Remarks. — Currently only known from Morotai Island, Indonesia. 
Morotai is separated from northem Halmahera by the Morotai Strait, 
a stretch of water only about 10 kilometres (6.2 mi) wide. The only 
other island near Morotai is Bau Island, a small island on the west 
coast. It is possible that Phyllium (Phyllium) tobeloense bhaskarai 
ssp. nov. may also be found on Bau Island, due to its close 
proximity but currently no specimen records exist. 


Discussion. — This new population has only recently been 
discovered (November, 2018 by Alim Yasin) on Morotai and 
the first impression was that this was likely a range expansion 
for Phyllium tobeloense until photos of the eggs were received. 
Immediately it became apparent that this Morotai population 
was not identical to the Halmaheran population. The decision to 
classify this Morotai population a subspecies of Phyllium 
tobeloense and not full species status is tentative but was based 
on a number of observations. Upcoming genetic analysis will 
help reveal the extent of the variability between the 
populations, but our present morphological review suggests a 
very close relationship. First is the incredible similarity of the 
adult morphology between the two populations. With the 
Halmaheran population rather popular in both phasmid 
breeding communities and commonly bred for commercial 
export as dried specimens, a wide review of the intraspecies 
variation has been possible. This has revealed that the females 
of this species have moderate variability in the profemoral 
interior lobe, and slight variability in abdominal segment VIII. 
Captive bred specimens have also resulted in a significant 
variety of color forms (Fig. 99 & 100) and a variety of major 
and minor profemoral interior lobes, similar to those seen in 
exported dried specimens. With this significant view into the 
intraspecies variation of males, females, and eggs, the egg 
morphology differences between the Morotai and Halmahera 
populations can easily be identified as not simply intraspecies 
variation and is discussed in detail below. With egg 


morphology one of the only concrete features to allow 
differentiation between the populations, and the obvious 
similarity between the population’s eggs, we consider this 
Morotai population an offshoot of the mainland Halmahera 
population and classify it as a subspecies. 

An additional reason for our decision to classify the Morotai 
population as a subspecies is the significant number of other 
insect species which follow this trend. Frequently, the Morotai 
populations are subspecies with sibling subspecies from the 
other northern Maluku Islands. For example, Wallace’s golden 
birdwing butterfly Ornithoptera croesus Wallace, 1859 is 
endemic to the northern Maluku islands, with five total 
subspecies distributed throughout these islands. In particular, 
from Halmahera there is Ornithoptera croesus lydius (Felder & 
Felder, 1865) and from Morotai Ornithoptera croesus toeantei 
Parrot & Schmid, 1984 . Interesting, these butterfly subspecies 
parallel our own Phyllium tobeloense subspecies as the females 
are more easily morphologically separated than males are, with 
males of these two-island populations near impossible to 
differentiate (pers. comm. Gilles Delisle, birdwing butterfly 
expert). As discussed in more detail below, we were able to find 
consistent morphological differences between the females and 
eggs of these two populations of Phyllium tobeloense but 
between males no reliable features could be found. 


Differentiation. — Phyllium tobeloense bhaskarai ssp. nov. 
may be separated from the nominate subspecies from 
Halmahera by only a few subtle morphological features. This 
Morotai population is the first subspecies described for 
Phyllium tobeloense GréBer, 2007 and is only easily separated 
from the nominate by the egg morphology. 

The most easily seen morphological feature separating the eggs 
of the two subspecies is the overall shape when viewed 
laterally. The nominate subspecies has eggs that are 
asymmetrical with a reniform (kidney shaped) (Fig. 83) 
whereas the new subspecies has eggs which are ovoid in shape 
and almost symmetrical (Fig. 85). Also, in the nominate 
subspecies the long pinnae along the margins are not fully 
formed around the entire capsule with the area opposite the 
micropylar plate and below the operculum bald (Fig. 83). In the 
new subspecies the long pinnae along the margins are fully 
formed around the entire capsule, with no bald portion opposite 
of the micropylar plate below the operculum (Fig. 85). 

Adults of the two subspecies are much more difficult to 
differentiate morphologically with only subtle differences 
found when examining a large series of both populations. The 
only consistent feature observed on the females were the length 
of the subgenital plate. In the nominate subspecies the 
subgenital plate was stouter, protruding only about half the 
length of sternite X, leaving a significant amount of the 
gonapophyses exposed (Fig. 64), and for the new subspecies 
the subgenital plate was longer, about three-quarter the length 
of sternite X, leaving only the tips of the gonapophyses 
exposed (Fig. 65). 

After an extensive search for a consistent feature to 
differentiate males of these two populations, none was found 
that was reliable enough to be useful in a morphological key. 
With this species so common thus allowing the intraspecies 
variation to be well known, our conclusion is that it is likely 
that only molecular comparison can confidently differentiate 
these two populations males. 


Habitat and Host Plant. — The local collectors were kind 
enough to share a number of photos of live specimens in the 
wild on their host plant (Fig. 78-80). The photos of this host 
plant were shared with Binjie Ge of the Shanghai Chenshan 


14 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


Fig. 51-58. Mesothorax - 51: Female Phyllium letiranti, dorsal view [SLT coll.]. - 52: Female Phyllium siccifolium, dorsal view [NHMUK]. - 53: Holotype female 
Phyllium tobeloense bhaskarai ssp. nov. dorsal view [IMQC]. - 54: Male Phyllium letiranti, dorsal view [SLT coll.]. - 55: Male Phyllium siccifolium, dorsal view 
[NHMUK]. - 56: Allotype male Phyllium tobeloense bhaskarai ssp. nov., dorsal view. - 57: Holotype female Phyllium tobeloense bhaskarai ssp. nov. lateral view 
of thorax [IMQC]. - 58: Allotype male Phyllium tobeloense bhaskarai ssp. nov. lateral view of thorax [IMQC]. 


Plant Research Center who identified them as likely a species 
of Macaranga (Euphorbiaceae) but without a specimen to 
examine a definitive identification is not possible at this time. 
Macaranga would not be surprising as this has been recorded 
as a phasmid host plant in the past for several other phasmids 
(Seow-Choen, 1997). The native people of Morotai call the tree 
by the common name “Liwiwi”. 

Also accepted as a host plant was Psidium guajava (Myrtaceae) 
by individuals collected in the wild and kept in captivity by 
Edy Bhaskara (Fig. 101). 


Morphological description of the female. 


Coloration. — Coloration descriptions are largely based on photographs 
of live material sent to the authors from collectors on Morotai. Preserved 
specimens with color that was decently retained were also examined to 
help describe the spectrum of observed colors. 

Two main color forms have been observed, a green form (Fig. 103) and 
a yellow/orange form (Fig. 102). In both color forms the antennae are of 
a slightly darker color than the rest of the body and with the terminal 
three segments with more dense setae and a general darker color than 
the other antennae segments. Compound eyes of both forms are 
generally of a similar color to that on the head capsule or slightly lighter 
in color (in some dried specimens the eyes were a reddish brown but 
that is possibly from the drying of the specimen). In the green form, the 


serration of the femoral lobes, the margins of the mesothorax, and the 
venation of the tegmina are lighter in color than the remaining surfaces, 
generally a pale green/yellow or cream color. 

In the yellow/orange form, the wing venation is a darker orange than the 
tegmina ground color which can be more yellow than orange. In both 
color forms the ventral surface of the metacoxae have a clear black 
marking, mesocoxae without, cream, yellow, or pale green only. 


Morphology 


Head. — Capsule \onger than wide (1.1-1.2 times). — Vertex nearly 
smooth, with only slight texture and no notable granules except the 
prominent posteriomedial tubercle. Frontal convexity stout, only slightly 
shorter than the length of the first antennomere, and with a moderate 
number of clear setae throughout. — Antennae consisting of nine segments, 
with the terminal two segments (VIII and IX) approximately the same 
length, and segments IV through VII shorter than the terminal two, and 
IV through VII of a uniform length (Fig. 76). — Antennomeres I-VII 
sparsely marked with transparent setae (segments I through III with 
longer setae than the following segments), and the terminal two 
antennomeres are more densely covered in brown setae with fewer 
transparent setae. — Compound eyes snug to the head capsule, not 
strongly protruding from the head capsule. — Ocelli absent. Antennal 
fields wider than the first antennomere but not protruding back farther 
than the frontal suture. 


Faunitaxys, 7(4), 2019: 1 — 25. 15 


Thorax. — Pronotum with anterior and lateral margins that are nearly 
straight, lateral margins converging to a straight posterior margin that is 
about 60 percent the width of the anterior rim. The pronotum surface 
lacks nodes but has prominent furrows giving it a lumpy surface. The 
surface has a prominent pit in the center and one along the sagittal plane 
near the anterior rim, the remaining furrows are prominent and clearly 
visible. The pronotum has a moderate anterior rim, lateral rims are 
weak, and the posterior lacks a rim. — Prosternum and the anterior 
quarter of the mesosternum with slight granulation. — Metasternum 
rather smooth, without prominent granulation. — Mesopraescutum 
approximately as long as wide, with lateral rims with five prominent 
tubercles rather uniform in size, with occasionally one to two small 
nodes between the anterior most tubercles. — Mesopraescutum anterior 
rim prominent with a large tubercle in the center with the remainder of 
the rim without clear nodes but slightly lumpy, not perfectly smooth 
(Fig. 53). — Mesopraescutum crest (excluding the tubercle of the anterior 
rim) nearly flat, not prominent, with four small nodes unevenly spaced 
along the sagittal plane (Fig. 53). — Mesopraescutum surface lumpy, but 
lacking clear nodes. — Mesopleurae straight and evenly diverging; lateral 
margin with five to seven major tubercles which are almost always even 
in size; occasionally those with five tubercles have one to two smaller 
tubercles present (Fig. 53). Face of the mesopleurae smooth, with two 
divots, one more prominent divot on the anterior third and one closer to 
the center that is faint. — Tegmina slightly variation in length, at the 
shortest only reaching the anterior margin of segment VIII and at the 
longest reaching just over three quarters the way through VIII. 


Alae. — Rudimentary, only about 6mm in length. 


Abdomen. — Abdominal segments IT through the anterior two thirds of IV 
diverging, posterior third of IV through VII gently converging. — Segments 
VII-X converge more acutely than the previous segments, converging 
uniformly to a terminal segment that is about as wide as it is long with a broad 
rounded apex. — Subgenital plate starts at the anterior margin of segment VIII 
and extends three quarters of the way into segment X ending in a fine point, 
leaving only the tips of the gonapophyses exposed. — Gonapophyses long, 
reaching the posterior margin of segment X (Fig. 65). — Cerci relatively flat 
not strongly cupped, with a prominently granular surface and very few short 
setae near the apex only. 


Legs. — Profemoral exterior lobe smoothly arcing from end to end 
without an angle, exterior lobe approximately the same width as the interior 
lobe, or slightly thinner and with a granular surface. — Profemoral interior 
lobe obtuse angled and marked with five to seven serrate teeth with 
generally four to five of these teeth larger than the other smaller teeth and 
not perfectly evenly spaced. — Mesofemoral interior lobe smoothly arcs 
from end to end and has five to seven serrate teeth distributed on the distal 
half. — Interior and exterior lobes are of a similar width, but the exterior lobe 
is clearly angled, not smoothly arcing like the interior. — Mesofemoral 
exterior lobe with generally only a single small tooth on the distal half of the 
arc, rarely an additional smaller tooth is present. — Metafemoral interior lobe 
wider than exterior lobe, and arcs end to end and has nine to eleven serrate 
teeth pointing distally. — Metafemoral exterior lobe is thin and smooth, 
hugging the metafemoral shaft, lacks teeth. — Protibiae lacking an exterior 
lobe. — Protibial interior lobe spans the entire length in an evenly 
weighted triangle and is about twice the width of the protibiae shaft itself: 
— Mesotibiae and metatibiae lacking exterior and interior lobes. 


Morphological description of the male. 


Coloration. — Most of the body is of a lime green color with little 
variation throughout. Ventral of coxae a cream color, without black 
markings. The antennae are of a slightly darker green/brown than that 
found throughout the body. Protibial interior lobe occasionally with 
slight brown markings. 


Morphology 


Head. — Capsule slightly longer than wide, with a weakly granular 
vertex. Frontal convexity stout with a dull point and sparsely marked 
with transparent setae. — Antennae consisting of 25 segments 
(including the scapus and pedicellus which are marked with few 
transparent setae), all other antennal segments with a dense short 
covering of darker setae relatively uniform in length throughout all 
segments. — Compound eyes large and notably protruding away from 
the head capsule. — Ocelli developed clearly between compound eyes. 


Thorax. — Pronotum with anterior margin slightly concave and lateral 
margins that are straight and gently converging to the posterior margin 
that is about 60 percent the width of the anterior rim. Anterior and lateral 
margins with moderate rims, posterior margin without a rim and smooth. 
Face of the pronotum with moderate furrow on the anterior half and the 
surrounding surface without granulation and smooth. — Prosternum with 
slight granulation throughout, not highly noticeable. — Mesosternum 
surface with more noticeable granules on the anterior. — Metasternum 
surface mostly smooth. — Mesopraescutum about as wide as long, with 
lateral rims with six to seven tubercles of varying sizes spread nearly 
evenly throughout. — Mesopraescutum anterior rim prominent with a 
large tubercle in the center with the remainder of the rim smooth (Fig. 56). 
— Mesopraescutum crest (excluding the tubercle of the anterior rim) with 
three to four small nodes unevenly spaced along the sagittal plane (Fig. 
56). — Mesopleura diverging weakly on the anterior but more prominently 
on the posterior half; lateral margin with six to seven major tubercles 
throughout, with clear gaps between each tubercle with at most two small 
nodes in the gaps. — Mesopleural face with two faint divots, one on the 
anterior third and one on the posterior third, anterior and posterior of the 
face smooth, center of mesopleural face with a wrinkled texture. — Tegmina 
reaching half way through abdominal segment I'V or to the posterior margin 
on IV. 


Alae. — Well developed, reaching segment IX or partly into the anal 
abdominal segment. 


Abdomen. — Ovular, with segments II through IV diverging, V and 
VI parallel or slightly convex, VII through X steadily converging to a 
blunt rounded apex. — Anal abdominal segment longer than wide with 
lateral margins that converge slowly throughout the majority of the 
length and then converge prominently at the terminal third. — Poculum 
starts in abdominal segment VIII, with parallel lateral margins, ending 
in a broad apex that slightly reaches under segment X. — Cerci are 
slightly cupped and exceed the length of segment X, lateral margins 
are straight and the surface of the cerci are covered in nodes and short 
brown setae throughout. — Vomer broad with nearly straight margins 
converging to the apical hook which points upwards into the 
paraproct. 


Legs. — Profemoral exterior lobe lightly granular and _ slightly 
thinner than the profemoral shaft, lobe gently arcing along the entire 
profemoral length. — Profemoral interior lobe about as wide as the 
shaft and the exterior lobe combined, situated on the distal two thirds 
and obtuse, not sharply angled. Profemoral interior lobe with four to 
five serrate teeth of similar sizes or with those in the center only 
slightly larger. The spacing is uniform except for the middle space 
which is slightly greater than the spacing on the sides. — Mesofemoral 
exterior lobe about as wide as the shaft, arcing from end to end with 
the widest portion weighted slightly off center on the distal end and 
with two to four small serrate teeth. — Mesofemoral interior lobe 
slightly thinner than the exterior lobe and with less of a bend, and six 
to eight serrate teeth on the distal half of the lobe. — Metafemoral 
exterior lobe thin and lacking distinct dentition but with a slight rough 
texture, hugging femoral shaft. — Metafemoral interior lobe slightly 
wider than exterior lobe with ten to twelve serrate teeth throughout the 
distal two-thirds of the length. No exterior protibial lobe, interior lobe 
extends the entire length in a rounded triangle, with the widest portion 
in the center or slightly off center on the distal end and slightly wider 
than the shaft width. — Meso- and metatibia simple, lacking lobes. 


Description of Egg (Fig. 85 & 86). 


The lateral surfaces are flattened and the dorsal and posterior 
surfaces are slightly convex, which gives the egg a slightly 
rounded ovular appearance. When viewed from the lateral 
aspect, the anterior and posterior widths of the capsule are 
similar, with the center of the capsule the widest point. When 
viewed from the lateral aspect, the anterior, posterior, and 
lateral margins are set with numerous rope-like pinnae, each 
with a split, slightly hooked apex giving them a barbed 
appearance (Fig. 92). Lateral surfaces with textured surface of 
circular markings, with 16 to 25 of those circular markings 
developed into deeper pits. These pits are in no detectable 
pattern and vary from egg to egg. Area around all pits lacking 


16 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


Keys to known species of Phyllium from Wallacea 


Keys are broken into female, male, and egg morphology due to the marked sexual dimorphism. Female and egg Ph. (Ph.) conlei 
and Ph. (Ph.) sp. “Buton” unknown. Egg of Ph. (Ph.) siccifolium unknown. Male of Ph. (Ph.) mamasaense, Ph. (Pu.) keyicum and 
Ph. (Pu.) suzukii unknown. Males of Ph. (Ph.) tobeloense tobeloense and Ph. (Ph.) tobeloense bhaskarai ssp. nov. cannot be 
morphologically separated and are simply listed together as Ph. (Ph.) tobeloense in the below key. 


Female 


1. Mesopraescutum distinctly wider than long (>1.7 times) (Fig. 8 & 9) 
— Mesopraescutum about as long as wide, or longer than wide (Fig. 51-53) 


2. Protibia with an exterior spur near the center (Fig. 7 arrow); profemoral posterior margin distinctly recurved (Fig. 7 line); length 
to width ratio of the mesopraescutum approximately | : 3.4 (Fig. 9) Ph. (Pu.) suzukii 


— Protibiae lacking exterior lobe; profemoral posterior margin straight (Fig. 6 line); length to width ratio of the mesopraescutum 
approximately 1 : 1.8 (Fig. 8) Ph. (Pu.) keyicum 


3. Alae developed (Fig. 11) 
— Alae rudimentary 


4. Mesocoxae or metacoxae with distinct black interior marking (Fig. 46-49); antennae with nine segments 
— Mesocoxae and metacoxae without distinct black interior marking (Fig. 50); antennae with ten segments 


5. Mesocoxae and metacoxae with distinct black interior marking; exterior lobe of the profemora wide and gently angled with 

the greatest width 2.5 to 3 times the width of the profemora shaft (measured at the promixal edge of the interior lobe of the 

profemora) (Fig. 30-31) 

— Metacoxae with distinct black interior marking, mesocoxae slightly orange or light green, no black interior mark; exterior lobe of 
profemora thin and smoothly arcing with the greatest width only 1.5 to 2 times the width of the profemora shaft (measured at the 
promixal edge of the interior lobe of the profemora) (Fig. 38-41) 


6. Three to five teeth of approximately even size on the interior lobe of the profemora (Fig. 30-31); abdominal segment VIII margin 
always almost perfectly straight (Fig. 69 line ) Ph. (Ph.) siccifolium 


— Two large teeth and smaller minor teeth between on the interior lobe of the profemora (Fig. 33); abdominal segment VIII margin 
always with a smooth bend giving a slight lobe to the segment (Fig. 68 line) Ph. (Ph.) mamasaense 


7. Subgenital plate stout, protruding about half the length of sternite X, leaving a significant amount of the gonapophyses exposed 
Ph. (Ph.) tobeloense tobeloense 


— Subgenital plate long, about three-quarter the length of sternite X, leaving only the tips of the gonapophyses exposed 
Ph. (Ph.) tobeloense bhaskarai ssp. nov. 


Male 


1. Profemoral exterior lobe wider than the interior lobe, strongly angled (Fig. 16) 
— Profemoral exterior lobe thinner than the interior lobe, arcing end to end, not strongly angled (Fig. 42-45) 


2. Interior lobe of the protibia thin and arcing from end to end without a distinct triangular shape and slender, only about as wide as the 
protibial shaft; abdomen long and slender, at its greatest width only about 30% of the total abdomen length (Fig. 23) Ph. (Ph.) conlei 


— Interior lobe of the protibia with a distinct triangular shape and wider than the protibial shaft; abdomen broad, with a greatest 
width of about 37-50% of the length of the total abdomen 


3. Abdomen spade shaped with abdominal segments V through the apex distinctly converging (Fig. 24) Ph. (Ph.) sp. “Buton” 


— Abdomen ovoid, with abdominal segments V and VI with parallel margins or only slightly subparallel, only segments VII through 
the apex distinctly converging (Fig. 25) 


4. Antennae when resting back along the dorsal surface are similar in length or longer than the folded tegmina (Fig. 28) 
— Antennae when resting back along the dorsal surface are shorter than the folded tegmina (Fig. 25) Ph. (Ph.) tobeloense 


5. Large species 67.0-73.0 mm; antennae apex when resting back along the dorsal surface reaching apex of tegmina or only 
exceeding length by one to two segments; mesopraescutum stout (length to maximum width ratio of about 0.8-0.9) and with an 
anterior that is distinctly broader than the posterior (Fig. 55) Ph. (Ph.) siccifolium 

— Medium species 57.6-62.2 mm; antennae apex when resting back along the dorsal surface exceeding apex of tegmina by four to 
five segments; mesopraescutum long and thin (length to maximum width ratio about 1.0-1.2) and with anterior and posterior 
margins approximately the same width (Fig. 54) Ph. (Ph.) letiranti 


Faunitaxys, 7(4), 2019: 1 — 25. 17 


Egg 


1. Capsule entirely lacking distinct pinnae 


— Capsule with distinct pinnae (most prominent along the operculum rim, if not prominent along the rim, then with short distinct 


pinnae along the longitudinal margins of the capsule itself) 


2. Lateral margins of the micropylar plate with four to five large pits throughout the length 
— Lateral margins of the micropylar plate with eight to nine small pits throughout the length 


Ph. (Pu.) suzukii 
Ph. (Pu.) keyicum 


3. Operculum raised, not flat, lacking long pinnae along the rim (Fig. 81) 
— Operculum flat, with long straight pinnae along the rim (Fig. 83-90) 


4. Opercular rim with pinnae that are broad and featherlike (Fig. 91), broadest throughout their length 


— Opercular rim with pinnae that are thin, ropelike, broadest at the apex (Fig. 92) 


5. Lateral surface with short pinnae, notably shorter than the pinnae of the posterior and anterior ends (Fig. 88) 
— Lateral surface with rows of long pinnae, of a similar length to the pinnae of the posterior and anterior ends (Fig. 90) 


Ph. (Ph.) letiranti 
Ph. (Ph.) mamasaense 


6. Overall shape somewhat reniform (kidney shaped) (Fig. 83); long pinnae along the margins not fully formed around the entire 


capsule, area opposite the microplylar plate and below the operculum bald (Fig. 83) 


Ph. (Ph.) tobeloense tobeloense 


— Overall shape more symmetrical, ovoid in shape (Fig. 85); long pinnae along the margins fully formed around the entire capsule, 


no bald portion opposite of the microplylar plate below the operculum (Fig. 85) 


long pinnae, leaving the lateral surfaces without significant 
projections. Micropylar plate covering approximately half of 
the overall length, situated near the center, not weighted 
towards either end of the capsule. Micropylar plate in a thin 
teardrop shape, with most of the width thinner than the 
micropylar cup. Micropylar cup of moderate size and placed on 
the posterior third of the capsule. Operculum nearly circular, 
with around ten round impressions encircling the center, and 
the outer margin of the operculum has a row of pinnae similar 
in length to those found along the other edges of the capsule. 
Overall color yellow, tan, or light brown. 


Measurements [mm]. 

— length (including operculum) : 3.8 
— length (excluding operculum) : 3.5 
— height : 2.1 

— width : 2.4 

— length of micropylar plate : 2.2 


Etymology. — This new subspecies is dedicated to Edy 
Bhaskara from Malang, Indonesia who was the first to send us 
specimens for this description. May he be thanked for his 
numerous collaborations to discover new taxa. 


Note on Phyllium female genitalia in relation to 
egg morphology 


As discussed in depth above, the only easily observed 
distinguishing features between the two subspecies of Phyllium 
tobeloense are egg morphology and the female subgenital plate 
length. This difference in subgenital plate length is likely linked 
to the morphological variation observed between the eggs of 
the two populations, with subgenital plate length reflecting the 
ideal arrangement to hold the egg before it is flung away. 

Within the Phylliidae in general, the ratio of subgenital plate 
and gonapophyses lengths help to reveal general features of egg 
morphology. Members of the bioculatum species group with 
eggs characterized by five distinct ribs along the egg (with the 
exception of Phyllium giganteum Hausleithner, 1984 which has 
3 rounded ribs) have females with shorter subgenital plates and 


Ph. (Ph.) tobeloense bhaskarai ssp. nov. 


shorter gonapophyses, likely because the eggs can easily be 
held with this arrangement or the shorter features aid in the 
action of flinging the egg away from the female (Fig. 59). In 
contrast, the frondosum species group have short subgenital 
plates and longer gonapophyses (Fig. 61 & 62), with eggs 
which lack these distinct ribs. In this case the longer 
gonapophyses are likely needed to help hold the egg in place 
before flinging it. This arrangement of a short subgenital plate 
and long gonapophyses is also seen in Phyllium giganteum 
(Fig. 60) likely for the same reason, as Ph. giganteum eggs 
have stout rounded ribs much like the rounded ribs of the 
frondosum species group. Members of the Phyllium (Phyllium) 
subgenus generally all have longer gonapophyses and a range 
of subgenital plate lengths (presumed to be according to the 
ideal length for their specific egg shapes). With eggs of varying 
morphologies, the subgenital plate appears to be the feature 
most variable among females with differing egg morphologies, 
as observed by the two Ph. tobeloense subspecies and their 


eggs. 


Biogeography and discussion 


With nine species of Phyllium currently known from 
throughout Wallacea (Fig. 2), several biogeographical trends 
can clearly be seen. Particularly the Weber Line which 
separates the Papuan subregion species (Ph. suzukii and Ph. 
keyicum within the frondosum species group, which is only 
found additionally in the Papuan subregion) from the Oriental 
elements, particularly illustrative Ph. celebicum, the only 
member of the celebicum species group found this far south, 
with the others either father north in the Philippines, 
Micronesia, or on mainland Asia. The Weber line also 
illustrates the likely delineation between Ph. letiranti (west of 
the line: Banggai and Sula Islands) from Ph. siccifolium (east 
of the line: Buru, Ambon, and Seram Islands). 

Of the Lesser Sunda Islands within Wallacea, currently only 
Phyllium conlei from Lombok Island is known, with all other 
islands devoid of literature and specimen records (Cumming, 
Valero & Teemsma, 2018). 

To date Phyllium mamasaense has only been recorded from the 
type locality of Mamasa, Sulawesi, but with the other 


18 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


Fig. 59-69. Fig. 59-67. Genitalia ventral view. - 59: Phyllium abdulfatahi Seow-Choen, 2017 [RC16-039], short subgenital plate and short 
gonapophyses. - 60: Phyllium giganteum [RC16-044], short subgenital plate and long gonapophyses. - 61: Phyllium suzukii holotype [SDEI] female short 
subgenital plate and long gonapophyses. - 62: Phyllium keyicum [NHMUK 012496951 (Kei Is., 1923)]. - 63: Phyllium siccifolium [FH 1042-1] Seram 
Island. - 64: Phyllium tobeloense tobeloense [FH 0657-4] Halmahera Island, Tobelo. - 65: Phyllium tobeloense bhaskarai ssp. nov. holotype female 
[IMQC]. - 66: Phyllium tobeloense tobeloense [FH 0657-6] Halmahera Island, Tobelo. - 67: Phyllium tobeloense bhaskarai ssp. nov. allotype male 
[IMQC]. Fig. 68-69. Dorsal view of female terminal abdominal segments; lines show the curve of segment VIII, illustrating a consistent feature found 
between Ph. mamasaense and Ph. siccifolium. - 68: Holotype Phyllium mamasaense [SDEI]. - 69: Phyllium siccifolium [FH 1042-1]. 


Sulawesian species Ph. celebicum found throughout the island 
it would not be surprising if Ph. mamasaense were also more 
widely distributed on the island. 

Within Wallacea there are a number of islands currently devoid 
of Phylliidae records, some of the largest being from the 
eastern Lesser Sunda Islands: Sumbawa, Sumba, Flores, and 
Timor. With the island of Timor a rather large island situated 
just south of the Phylliidae rich island of Sulawesi, the authors 
expected there to be records from Timor as well. However, 
after speaking with Chris Reid, Principal Research Scientist at 
the Australian Museum in Sydney he is skeptical Phylliidae can 
be found on the island. The Australian Museum has been 
conducting field work on Timor since 2012 and _ his 
observations were as follows, “Most of Timor is dry woodland 
on limestone dominated by either Eucalyptus, Casuarina, or 


Acacia (now mostly introduced spp), with a bit of sandalwood 
etc. Plus a lot of pasture and a lot of weedy arable. The 
remaining rainforest is almost entirely dry vine thicket — the 
wetter stuff is either converted to coffee or too remote for easy 
access or we just didn't get into it. So in general I’d say 
Phyllium is unlikely” (pers. comm. Chris Reid). 

Undoubtedly, our current knowledge of Wallacean Phylliidae is 
still fractional. Of the nine species that have so far become 
known from throughout Wallacea, five are only known from a 
single sex: Ph. conlei and Ph. sp. ‘Buton’ are both only known 
from unique males, and Ph. mamasaense, Ph. keyicum and Ph. 
suzukii are only known from females. There is another 
questionable celebicum-like species only known from an old 
female specimen labelled “Amboina” in the collection of 
MNHU, whose identity deserves clarification by additional 


Faunitaxys, 7(4), 2019: 1 — 25. 19 


Fig. 70-77. Phyllium tobeloense bhaskarai ssp. nov. - 70: Holotype female dorsal [IMQC]. - 71: Paratype female dorsal [FH 1077-1]. - 72: Paratype female 
ventral [FH 1077-1]. - 73: Paratype male [FH 1077-22]. - 74: Paratype male [FH 1077-23]. - 75: Dorsal view of terminal abdominal segment (= tergum X) and 
cerci, holotype [IMQC]. - 76: Dorsal view of antennae, holotype female [IMQC]. - 77: Dorsal view of antennae, allotype male [IMQC]. 


CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


s3) ~ 


— ~ 


- 


Fig. 78-80. Macaranga sp. (Euphorbiaceae) with wild Phyllium (Phyllium) tobeloense bhaskarai ssp. nov. on Morotai Island (© Alim Yasin). 
- 78: Macaranga sp., host plant. - 79: Subadult female on Macaranga sp. - 80: Adult male on Macaranga sp. 


material (see discussion on PA. celebicum). Also, the authors 
are aware of at least one further still undescribed Phyllium 
species which is only known from a photograph. It is very 
much hoped that the present paper will encourage collectors to 
look out for Phylliidae throughout Wallacea to obtain fresh 
specimens that can help broaden our knowledge of these 
fascinating insects from this particular region so well known 
for its high biodiversity and high degree of endemism. 


Acknowledgments 


The authors thank René Limoges, entomological technician at 
the Montreal Insectartum for taking many photos for this work, 
as well as for many professional courtesies. Thank to Vadim 
Voitsekhovskii (Bali, Indonesia) for sending a series of 
specimens for this study. A special thanks to Alim Yasin 
(Morotai, Indonesia) who sent to us an extra 50 males and 50 


Faunitaxys, 7(4), 2019: 1 — 25. 21 


45 
—_— 


one , 


e.> dl 


\ et Pe 
ae 
4 

— 


> 


a ee te | rs 
ie: 

ARs 

; - t 


ee ee 
— She 


Weta f 


# 


Biicp US 


o1 Si) Ra A 


. 
& 


Fig. 81-92. Phyllium eggs. Fig. 81, 83, 85, 87, 89 lateral view, m 


87 


a eS —— cu 

Sa At. Ss Se 
WF. > s kes ... a 
Q Pr ed — a 

> ae 

‘ ae aw" on 
4 my & 


92 


micropylar plate. - 81 & 82: Phyllium celebicum. - 83 & 84: Phyllium tobeloense tobeloense. - 85 & 86: Phyllium tobeloense bhaskarai ssp. 
nov. paratype. - 87 & 88: Phyllium letiranti paratype. - 89 & 90: Phyllium mamasaense (© Gré8er D.). Fig. 91-92. Pinnae from the opercular 
rim. - 91: Featherlike pinnae, frills throughout length, wide throughout length, apex not widest portion, Phyllium letiranti. - 92: Ropelike pinnae, 
stalk without frills, broadest portion the apex, Phyllium tobeloense tobeloense. Scale bar = 2 mm. 


females that allowed us to deposit many paratypes in various 
museums and who also sent us photos of wild specimens and 
the habitat. Thanks to Maxime Ortiz (France) who sent us eggs 
that have been used in this work. Thanks also to Binjie Ge 
(Shanghai Chenshan Plant Research Center and Gilles Vincent, 
Special advisor of the Executive President of the Chenshan 
Botanical Garden-Shanghai, China) for the identification of the 
host plant. Thank you to Jim Berrian (SDNHM, San Diego) for 
years of support and access to the museum’s camera. Thank 
you to Tim Van molle (Rupelmonde, Belgium) for allowing us 
to use photos of his beautiful Phyllium tobeloense color forms 
and Detlef GroBer (Berlin, Germany) for allowing us to use his 
photos of Phyllium mamasaense eggs in this work. Sigetake 
Suzuki (Hokkaido, Japan) kindly provided various specimens 
from Sulawesi and helpful information. We thank Edy 
Bhaskara (Malang, Java, Indonesia) for providing the 
specimens of Phyllium tobeloense bhaskarai ssp. nov. and Ph. 
tobeloense tobeloense for description as well as pictures of live 


specimens of the new subspecies. Thanks are also due to the 
curators of various museums for access to the corresponding 
collections that contain material listed in the present paper and/ 
or providing photographs of specimens: Dr. Michael Ohl and 
Ulrike Dorandt (MNHU, Berlin), Dr. Susanne Randolf and 
Prof. Ulrike Aspé6ck (NHMW, Vienna), Dr. Caroline Pepermans 
(RMNH, Leiden) and Hans Mejlon (UUZM, Uppsala). Mandy 
Schréter and Stephan Blanke (SDEI, Senckenberg German 
Entomological Institute Miincheberg) for photographs of 
specimens used in this work. Judith Marshall and Benjamin 
Price (NHMUK, London) for processing the loan of the 
Phyllium keyicum specimen despite the lack of an Orthopteroid 
collection curator. To conclude we of course thank our two peer 
reviewers who gave us valuable feedback and suggestions on 
how to improve this text, thank you Philip E. Bragg 
(Nottinghamshire, United Kingdom) and Dr Allan Taylor 
(Quebec, Canada). 


CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


Fig. 93-95. Live Phyllium celebicum captive reared F1-generation. - 93: Male/female pair. - 94: Male. - 95: Female. 


Faunitaxys, 7(4), 2019: 1-25. 


Fig. 96-98. Live Phyllium letiranti captive reared (© Maxime Ortiz). - 96: Yellow form female. - 97: Yellow form female, detail of head, thorax, and 
profemoral lobes. - 98: Phyllium letiranti Males. 


24 CUMMING, LE TIRANT & HENNEMANN. — Phyllium of Wallacea 


Fig. 99-100. Live Phyllium tobeloense tobeloense captive reared female (© Tim Van molle). - 99: Red color form. - 100: Yellow and green color forms. 


Fig. 101-103. Live Phyllium tobeloense bhaskarai ssp. nov. - 101: Captive adult pair feeding on Psidium guajava (Myrtaceae) (© Alim Yasin). - 102: Orange 
form female, paratype (© Alim Yasin). - 103: Green form female, paratype (© Edy Bhaskara). 


Faunitaxys, 7(4), 2019: 1 — 25. 25 


References 


Audinet-Serville J. G. A., 1838. — Histoire Naturelle des Insectes. 
Orthopteéres. Libraire Encyclopédique de Roret, Paris, 18, 776 p. 


Bragg P. E., 1996 — Type specimens of Phasmida in the Nationaal 
Natuurhistorisch Museum, Leiden (Insecta: Phasmida). 
Zoologische Mededelingen, Leiden, 70(6): 105-115. 


Brock P. D., 1999. — Stick and Leaf Insects of Peninsular Malaysia 
and Singapore. Malaysian Nature Society, Academe Art & Printing 
Sdn. Bhd., Kuala Lumpur, 222 p. 


Brock P. D., Biischer T. H. & Baker E., 2018. — Phasmida SF: 
Phasmida Species File Version 5.0/5.0. In: Roskov Y., et al., (Eds.), 
Species 2000 & ITIS Catalogue of Life. Species 2000: Naturalis, 


Leiden. Digital resource at www.catalogueoflife.org/col. ISSN 
2405-8858. [Accessed January Sth, 2019]. 


Clark-Sellick J. T., 1997. — Descriptive terminology of the phasmid 
egg capsule, with an extended key to phasmid genera based on egg 
structure. Systematic Entomology, 22: 97-122. 


Cumming R. T., Valero P. R. & Teemsma S. N., 2018. — Description 
of Phyllium (Phyllium) conlei, new species, and a first look at the 
Phylliidae (Phasmatodea) of the Lesser Sunda Islands, Indonesia. 
Insecta Mundi, 0677: 1-9 


Cumming R. T. & Teemsma S. N., 2018. — Phyllium (Phyllium) 
letiranti sp. nov. (Phasmida: Phylliidae) a new leaf insect from 
Peleng Island, Indonesia. Jnsecta Mundi, 0618: 1-16. 


Cumming R. T., Le Tirant S. & Teemsma S. N., 2018. — On the Phyllium 
of Peninsular Malaysia and Sumatra, Indonesia, with range expansions 
for currently known species, description of the previously unknown 
Phyllium (Pu.) abdulfatahi Seow-Choen female, and description of the 
new species Phyllium (Ph.) rubrum n. sp. from Peninsular Malaysia 
(Phasmida: Phylliidae). Faunitaxys, 6(2): 1-21. 


de Haan W., 1842. — Bijdragen tot de Kennis der Orthoptera, p. 95-248. Jn: 
C. J. Temminck (ed.). Verhandelingen over de natuurlijke Geschiedenis 
der Nederlandsche overzeesche Bezittingen. Vol. 2. Zoologie. S. and J. 
Luchtmans and C. C. van der Hoek; Leiden, Netherlands, 248 p. 


Dickerson R. E., 1928. — Distribution of life in the Philippines. Bureau 
of Science Monograph, 21: 1-322, plates 1-42. 


Gressitt J. L., 1982. — Ecology and biogeography of New Guinean 
Coleoptera (beetles). In: Gressitt, J. L. [Ed.] Monographiae 
Biologicae 42, Biogeography and Ecology in New Guinea. Dr W. 
Junk Publishers, The Hague, pp. 709-734. 


Griffini A., 1898. — Intorno al Phyllium geryon Gray. Bollettino dei 
Musei di Zoologia ed Anatomia comparata della Royal Universita 
di Torino, 13(312): 1-4. 

GréBer D., 2007. — Eine neue Phyllium Art von Halmahera, Nord- 
Molukken (Phasmatodea: Phylliidae). Arthropoda, 14(3/4), 15-17. 


GréBer D., 2008. — Wandelnde Blatter. Ein Katalog aller bisher 
beschriebenen Phylliinae-Arten und deren Eier mit drei 
Neubeschreibungen. 2nd Edition. Edition Chimaira, Frankfurt am 
Main, 175 p. 

GréBer D., 2011. — New Insights and Critical Remarks on certain 
species of Walking Leaves. ARTHROPODA Generalis, 3: 1-17. 


Resumé 


Ginther K., 1929. — Mitteilungen aus dem Zoologischen Museum, 
Berlin, 14: 614. 


Hausleithner B., 1984. — Eine neue Phyllium-Art aus Malaysia 
(Phasmatodea: Phylliidae). Entomologische Zeitschrift mit 
Insektenborse, 94(4): 39-43. 


Hennemann F. H., Conle O. V., Gottardo M. & Bresseel J., 2009. — On 
certain species of the genus Phyllium Illiger, 1798, with proposals 
for an intra-generic systematization and the descriptions of five 
new species from the Philippines and Palawan (Phasmatodea: 
Phylliidae: Phylliinae: Phylliini). Zootaxa, 232: 1-83. 


Huxley T. H., 1868. — On the Classification and Distribution of the 
Alectoromorphae and Heteromorphae. Proceedings of the 
Zoological Society, London, 294-319. 


Illiger J. K. W., 1798. — Verzeichnis der Kafer Preussens. Johann Jacob 
Gebauer, Halle, 510 pp. 


Karny 1914. — Jahresber. K. K. Maximilian-Gymnasium Wien, 14(7). 


Klante H., 1976. — Die “Wandelnden Blatter”. Eine taxonomische 
Revision der Gattung Phyllium Ill. (Insecta, Orthoptera, 
Phasmatoptera). Zoologische Beitrdge, 22: 49-76. 


Linnaeus C., 1758. — Systema naturae per regna tria naturae, 
secundum classes, ordines, genera, species, cum characteribus, 
differentiis, synonymis, locis. Editio decima, reformata. Laurentii 
Salvii; Stockholm, 824 p. 


Mayr E., 1944. — Wallace’s line in the light of recent zoogeographic 
studies. The Quarterly Review of Biology, 19(1), 1-14. 


Rehn J. A. G. & Rehn J. W. H., 1934[1933]. — On certain species of 
the genus Phyllium (Orthoptera; Phasmidae). Proceedings of the 
Academy of Natural Sciences of Philadelphia, 85: 411-427. 


Seow-Choen F., 1997. — Stick and Leaf Insect (Phasmida: Insecta) 
Biodiversity in the Nature Reserves of Singapore. Proceedings of 
the Nature Reserves Survey Seminar. Gardens’ Bulletin Singapore, 
49: 297-312. 


Seow-Choen F., 2017. — A taxonomic guide to the stick insects of 
Borneo, Volume II. Natural History Publications (Borneo), Kota 
Kinabalu, 261 p. 


Simpson G. G., 1977. — Too many lines; the limits of the Oriental and 
Australian zoogeographic regions. Proceedings of the American 
Philosophical Society, 121(2): 107-120. 


Vallejo B., 2011. — The Philippines in Wallacea. In: Telnov, D. M. 
[Ed.] Biodiversity, Biogeography and Nature Conservation in 
Wallacea and New Guinea, Vol. 1. Latvian Society of Entomology, 
Riga, Latvia, 27-42. 


Wallace A. R., 1869. — The Malay Archipelago: The land of the 
Orang-Utan, and the bird of paradise. A narrative of travel, with 
studies of man and nature. New York Harper + Brothers, 
Publishers, Franklin Square, 478 p. 


Werner F., 1922. — Zur Kenntnis der Mantodeenfauna der niederlandischen 
Kolonien. Zoologische Mededeelingen Uitgegeven Vanwege's Rijks 
Museum van Natuurlijke Historie te Leiden, 7(1-2): 115-126. 


Willemse C., 1947. — On Phyllium species, known from the Key 
Islands. (Orthoptera: Phasmidae, Phylliinae). Tijdschrift Voor 
Entomologie, 88: 316-322. 


Cumming R. T., Le Tirant S. & Hennemann F. H., 2019. — Révision des Phyllium Illiger, 1798 de Wallacea (Indonésie), avec la description 
d’une nouvelle sous-espéce de l’ile Morotai (Phasmatodea: Phylliidae: Phylliinae). Faunitaxys, 7(4) : 1-25. 


Les Phylliidae de Wallacea sont révisés. La répartition des espéces est précisée. Une nouvelle sous-espéce de Phyllium 
(Phyllium) tobeloense Gréker, 2007 est décrite de l’ile de Morotai, Phyllium (Phyllium) tobeloense bhaskarai Cumming, Le 
Tirant et Hennemann ssp. nov. dont l’identification est basée principalement sur la morphologie distincte des ceufs. Enfin une 
clé de tous les Phyllium connus de Wallacea est présentée permettant une identification rapide. 


Mots-clés. — Phasmatodea, Phasmida, Phylliinae, Phylliini, Phyllium, Wallacea, Indonesia, Morotai, tobeloense, bhaskarai, description, 


espéce nouvelle, distribution, biogeographie. 


Faunitaxys 


Volume 7, Numero 4, Mars 2019 


SOMMAIRE 


Révision du genre Phyllium Illiger, 1798 de Wallacea, avec la description d’une nouvelle sous- 
espéce de l’ile Morotai (Phasmatodea: Phylliidae: Phylliinae). 


Royce T. Cumming, Stéphane Le Tirant & Frank H. Hennemann 


CONTENTS 


Review of the Phyllium Illiger, 1798 of Wallacea, with description of a new subspecies from 
Morotai Island (Phasmatodea: Phylliidae: Phylliinae). 


Royce T. Cumming, Stéphane Le Tirant & Frank H. Hennemann 


Mlustration de la couverture: Forét tropicale de Morotai. 


Crédit: 
Fig. 2 © (Google Earth : Image Landsat). 
Fig. 3-10-11-12-13-14-15-16- 31-34-36-38-4 1-43-45-47-48-63-64-66-69-7 | -74-8 1-84-89-9 1-93-95 © Hennemann F.H., Germany. 
Fig.-29-32- 49-52 © Natural History Museum, United Kingdom. 

Fig. 5-7-9-17-21-22-24-25-26-28-33- 46-61-68 © Senckenberg Deutsches Entomologisches Institut, Miincheberg, Germany. 
Fig. 4-6-8-18-27-37-42-5 1-53-54-56-57-58 -62-65-67-70-75-76-77-85-86-88 © Limoges R., Insectarium de Montréal, Québec, Canada. 
Fig. 20-30 © Uppsala University Zoological Museum, Linnean collection, Uppsala, Sweden. 

Fig. 23-44 © Zoologische Staatssammlung, Munich, Germany. 

Fig. 50-96-98 © Ortiz M., France. 

Fig. 59-60 © Cumming R.T., U.S.A. 

Fig. 78-80-101-102 & couverture © Yasin A., Indonesia. 

Fig. 89-90 © GréBer D., Germany. 
Fig. 99-100 © Van molle, T, Belgium. 


Fig. 103 © Bhaskara E., Indonesia. 


Publié par |’ Association Frangaise de Cartographie de la Faune et de la Flore (AFCFF)